Chris Snow / AkiSpiLcd

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Fork of AkiSpiLcd by Kazuki Yamamoto

AkiSpiLcd.h@2:01979b296ab5, 2014-05-06 (annotated)

Committer:
k4zuki
Date:
Tue May 06 17:25:03 2014 +0000
Revision:
2:01979b296ab5
Parent:
1:57de84d2025c
Child:
3:f835b8daf9a0
documentation created

Who changed what in which revision?

UserRevisionLine numberNew contents of line
k4zuki 1:57de84d2025c 1 /** this is for SHARP LCD LS027B4DH01
k4zuki 2:01979b296ab5 2 * by Kazuki Yamamoto, or _K4ZUKI_
k4zuki 0:b3c8fdd01601 3 */
k4zuki 0:b3c8fdd01601 4
k4zuki 0:b3c8fdd01601 5 #ifndef __AKISPILCD_H__
k4zuki 0:b3c8fdd01601 6 #define __AKISPILCD_H
k4zuki 0:b3c8fdd01601 7
k4zuki 2:01979b296ab5 8 /** AkiSpiLcd
k4zuki 2:01979b296ab5 9 * mbed library for SHARP LCD LS027B4DH01
k4zuki 2:01979b296ab5 10 *
k4zuki 2:01979b296ab5 11 * Example:
k4zuki 2:01979b296ab5 12 * @code
k4zuki 2:01979b296ab5 13 * #include "mbed.h"
k4zuki 2:01979b296ab5 14 * #include "AkiSpiLcd.h"
k4zuki 2:01979b296ab5 15 *
k4zuki 2:01979b296ab5 16 * AkiSpiLcd LCD(MOSI_, SCK_, D2, D5);
k4zuki 2:01979b296ab5 17 * extern const uint8_t hogepic[];
k4zuki 2:01979b296ab5 18 * int main()
k4zuki 2:01979b296ab5 19 * {
k4zuki 2:01979b296ab5 20 *
k4zuki 2:01979b296ab5 21 * wait_ms(1);
k4zuki 2:01979b296ab5 22 * LCD.cls();
k4zuki 2:01979b296ab5 23 * LCD.updateSingle(10,(uint8_t*)(hogepic+2000));
k4zuki 2:01979b296ab5 24 * LCD.updateMulti(100,(240-100),(uint8_t*)(hogepic));
k4zuki 2:01979b296ab5 25 *
k4zuki 2:01979b296ab5 26 * while(1) {
k4zuki 2:01979b296ab5 27 * for(int i=0; i<240; i++) {
k4zuki 2:01979b296ab5 28 * LCD.updateMulti(i,(240-i),(uint8_t*)(hogepic));
k4zuki 2:01979b296ab5 29 * LCD.updateMulti(0,(i),(uint8_t*)(hogepic+50*(240-i)));
k4zuki 2:01979b296ab5 30 * }
k4zuki 2:01979b296ab5 31 * }
k4zuki 2:01979b296ab5 32 * }
k4zuki 2:01979b296ab5 33 * @endcode
k4zuki 2:01979b296ab5 34 */
k4zuki 0:b3c8fdd01601 35 class AkiSpiLcd
k4zuki 0:b3c8fdd01601 36 {
k4zuki 0:b3c8fdd01601 37 public:
k4zuki 0:b3c8fdd01601 38 /** Constructor
k4zuki 0:b3c8fdd01601 39 * @param mosi SPI data input
k4zuki 0:b3c8fdd01601 40 * @param sck SPI clock input
k4zuki 0:b3c8fdd01601 41 * @param cs HIGH-active chip enable input
k4zuki 0:b3c8fdd01601 42 * @param disp HIGH-active display enable input
k4zuki 0:b3c8fdd01601 43 */
k4zuki 0:b3c8fdd01601 44 AkiSpiLcd(PinName mosi,PinName sck, PinName cs, PinName disp);
k4zuki 0:b3c8fdd01601 45
k4zuki 0:b3c8fdd01601 46 /** Clear screen
k4zuki 0:b3c8fdd01601 47 */
k4zuki 0:b3c8fdd01601 48 void cls();
k4zuki 0:b3c8fdd01601 49
k4zuki 0:b3c8fdd01601 50 /** Writes single line(400 bits = 50 bytes)
k4zuki 0:b3c8fdd01601 51 * @param line line number(1-240)
k4zuki 0:b3c8fdd01601 52 * @param *data pointer to data
k4zuki 0:b3c8fdd01601 53 */
k4zuki 0:b3c8fdd01601 54 void updateSingle(int line, uint8_t* data);
k4zuki 0:b3c8fdd01601 55
k4zuki 0:b3c8fdd01601 56 /** Writes multi lines(400 x N bits = 50 x N bytes)
k4zuki 0:b3c8fdd01601 57 * @param line line number(1-240)
k4zuki 0:b3c8fdd01601 58 * @param length number of line to write
k4zuki 0:b3c8fdd01601 59 * @param *data pointer to data
k4zuki 0:b3c8fdd01601 60 */
k4zuki 0:b3c8fdd01601 61 void updateMulti(int line, int length, uint8_t* data);
k4zuki 0:b3c8fdd01601 62
k4zuki 0:b3c8fdd01601 63 /** Inverting internal COM signal
k4zuki 0:b3c8fdd01601 64 */
k4zuki 0:b3c8fdd01601 65 void cominvert();
k4zuki 0:b3c8fdd01601 66
k4zuki 0:b3c8fdd01601 67 /** Enables/disables display. internal memory will not flushed
k4zuki 0:b3c8fdd01601 68 * @param disp true = display is on / false = display is off
k4zuki 0:b3c8fdd01601 69 */
k4zuki 0:b3c8fdd01601 70 void dispOn(bool disp);
k4zuki 2:01979b296ab5 71
k4zuki 0:b3c8fdd01601 72 private:
k4zuki 0:b3c8fdd01601 73 int comflag;
k4zuki 0:b3c8fdd01601 74 int modeflag;
k4zuki 0:b3c8fdd01601 75 int clearflag;
k4zuki 0:b3c8fdd01601 76 SPI _spi;
k4zuki 0:b3c8fdd01601 77 DigitalOut _cs;
k4zuki 0:b3c8fdd01601 78 DigitalOut _disp;
k4zuki 0:b3c8fdd01601 79 };
k4zuki 0:b3c8fdd01601 80 #endif